Quick Details:
Featuring:
*This type of roller shutter opener is easy & convenient to use, it is suitable for 300-600KG roller shutter.
*Copper wire motor, stable, durable & good in cooling.
*High quality alloy steel gear, guarantee high lifting performance.
*Low level noise & vibration.
*Integrated circuit design, safe to use and easy to repair.
*Service life of gear exceeds 40,000 times.
https://www.beidimotor.com/standard-type-roller-shutter-opener/